Collective nouns are used with singular verbs.

集合名词与单数动词连用。

C. Fill in the blanks with the right collective nouns.

用正确的集合名词来填充空格。

And what is true of individuals is also true for collective entities, collective nouns like states and cities.

适用于个人的真理，也同样适用于集体的实体，集体的名词，像是城与邦。